7.3 Build Error: Poco Not Found

A. Error Case

During build, you may encounter:

fatal error: Poco/SharedPtr.h: No such file or directory

B. Root Cause Analysis

The Poco C++ Libraries are missing from your system or not properly linked in CMake.

C. Solution

Install the dependency manually:

sudo apt install libpoco-dev

Then re-run CMake:

cd build && cmake .. && make